Herbert Piotrowski

Title: The Innovations of Herbert Piotrowski

Introduction

Herbert Piotrowski is a notable inventor based in Kaltenkirchen, Germany. He has made significant contributions to the field of audio signal processing, holding a total of four patents. His work focuses on enhancing the functionality and efficiency of audio devices, particularly in speech recognition and speaker identification systems.

Latest Patents

One of Piotrowski's latest patents is a method and arrangement for controlling the gain of an amplifier. This invention is crucial for processing signals applied to audio signal processing devices, such as speech signals received via a microphone in speaker-identification or speech recognition systems. The method involves setting an initial gain value before processing begins and continuously checking the amplitude ranges of the amplified signal to prevent overloading. The optimum gain setting is determined from a histogram of frequencies, allowing for improved performance in recognizing individual speakers.

Another significant patent is a device for adjusting a movable electro-acoustic sound transducer. This device features an optical duct that allows for precise positioning of the sound transducer relative to the speaker's mouth. The design ensures that the speaker can view a display unit while maintaining the correct position for optimal audio capture. This innovation is particularly beneficial in speaker identification processes, as it automates the speech recognition control.

Career Highlights

Herbert Piotrowski is associated with U.S. Philips Corporation, where he has contributed to various projects and innovations in audio technology. His expertise in signal processing and sound transducer adjustments has positioned him as a valuable asset in the field.

Collaborations

Throughout his career, Piotrowski has collaborated with notable colleagues, including Michael Harald Kuhn and Rudolf Geppert. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies in audio processing.

Conclusion

Herbert Piotrowski's contributions to audio signal processing through his innovative patents have significantly advanced the field. His work continues to influence the development of more efficient and effective audio devices.